ἀήρ
κάμψαι διαύλου θάτερον κῶλον πάλιν → bend back along the second turn of the race, turning the bend and coming back for the second leg of the double run, run the homeward course, retrace one's steps
English (LSJ)
ἀέρος, Hom. ἀήρ, ἠέρος; Ion. nom. ἠήρ Hp.
A Aër.6,al., Aret. CA2.3; Aeol. αὐήρ Sch.Pi.P.2.52; Dor. ἀβήρ (i.e. ἀϜήρ) Hsch.:— fem. in Hom. and Hes. (exc. Op.549), Anaxag. ap. Thphr.Sens.30; from Hdt downwds. masc. (Il.5.776, 8.50, h.Cer.383 cannot be quoted for the masc. usage, since there πουλύς and βαθύς need not be masc.):—in Hom. and Hes. always mist, haze, not (as Aristarch.) lower air (opp. αἰθήρ, q.v.); [ἐλάτη] μακροτάτη πεφυυῖα δι' ἠέρος αἰθέρ' ἵκανεν Il.14.288, cf. Anaxag.1, Ar.Nu.264sq.; περὶ δ' ἠέρα πουλὺν ἔχευεν Il.5.776, cf. 3.381, 8.50; ἠέρα μὲν σκέδας εν καὶ ἀπῶσεν ὀμί χλην 17.649; τρὶς δ' ἠέρα τύψε βαθεῖαν 20.446; rare in Prose, Hp. l.c. 2 later, generally, air, Anaxim.1, Emp.17.18, S.El.87, Ar. Av.187,694, etc.; πρὸς τὸν ἀέρα διατρίβειν in the open air, Ar.Nu.198, cf.Teles p.11.3 H., Luc.Anach.24; τὸν ἀέρ' ἕλκειν καθαρόν Philyll.20, cf. Philem.119; ἔσπασας τὸν ἀ. τὸν κοινόν Men.531.7; ἀέρα δέρειν 1 Ep.Cor.9.26; εἰς ἀέρᾳ λαλεῖν ib.14.9:—in pl., Pl.Phd.98c, 98d; climates, Hp.Aër. tit., cf. Men.Rh.p.383 S.; of mephitic exhalations, Str.5.4.5. 3 personified, ὦ δέσποτ' ἄναξ ἀμέτρητ' Ἀ. Ar.Nu.264; Ἀ. ὃν ἄν τις ὀνομάσειε καὶ Δία Philem.91.4, cf. Diph.126.6. II hot-air room in baths, Gal.11.14. 2 volume, Hero *Stereom.57,al. III a pigment, sky-blue or grey, Id.Aut.28.3. [ᾱ, except in Arist.Fr. 642, Ps.-Phoc.[108].]